CN112090525B - Broken screening installation in colliery of defeated material of intermittent type - Google Patents
Broken screening installation in colliery of defeated material of intermittent type Download PDFInfo
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- CN112090525B CN112090525B CN202010973145.5A CN202010973145A CN112090525B CN 112090525 B CN112090525 B CN 112090525B CN 202010973145 A CN202010973145 A CN 202010973145A CN 112090525 B CN112090525 B CN 112090525B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
- B02C18/04—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a coal mine crushing and screening device with intermittent material conveying, which comprises a box body, wherein a moving cavity with an upward opening is arranged in the box body, a filter cavity communicated with the moving cavity is arranged in the lower inner wall of the moving cavity, a door plate is hinged on the inner wall of the moving cavity, a material conveying mechanism for intermittent material conveying is arranged in the box body, the material conveying mechanism comprises a moving block connected in the moving cavity in a sliding manner, a stretching cavity with a downward opening is arranged in the moving block, and a stretching plate is connected in the stretching cavity in a sliding manner. The working environment is purified, and the health of workers is ensured.
Description
Technical Field
The invention relates to the field of coal mines, in particular to coal mine crushing and screening equipment with intermittent material conveying.
Background
The coal mines are different in size, transportation cost for transporting large coal mines is higher, materials need to be moved away from the site for processing, small coal mines are more convenient and faster to use and easier to transport, and therefore the coal mines generated immediately need to be crushed, if the coal mines are processed and crushed in a unified mode, efficiency is low, energy is not saved enough, and therefore coal mines meeting standards need to be screened before crushing, only overlarge coal mines need to be processed, and time and labor are saved; in addition, the working environment of the coal mine is severe, so that 'black lung disease' is easily caused, and the health of workers is not facilitated.
Disclosure of Invention
The invention aims to solve the technical problem of providing coal mine crushing and screening equipment for intermittent material conveying, and overcoming the problems of overlarge coal mine, poor working environment and the like.
The invention is realized by the following technical scheme.
The invention relates to coal mine crushing and screening equipment with intermittent material conveying, which comprises a box body, wherein a moving cavity with an upward opening is arranged in the box body, a filter cavity communicated with the moving cavity is arranged in the lower inner wall of the moving cavity, a door plate is hinged on the inner wall of the moving cavity, a material conveying mechanism with intermittent material conveying is arranged in the box body, the material conveying mechanism comprises a moving block connected in the moving cavity in a sliding manner, a stretching cavity with a downward opening is arranged in the moving block, a stretching plate is connected in the stretching cavity in a sliding manner, the upper end of the stretching plate is fixedly connected with a stretching spring, the upper end of the stretching spring is fixedly connected with the upper inner wall of the stretching cavity, an extending cavity with an upward opening is arranged in the box body, an extending block is connected in the extending cavity in a sliding manner, the lower end of the extending block, a limiting cavity with a leftward opening is arranged in the right inner wall of the extending cavity, a limiting block is connected in the limiting cavity in a sliding manner, a limiting spring is fixedly connected at the right end of the limiting block, the right end of the limiting spring is fixedly connected with the right inner wall of the limiting cavity, a rotating plate with a built-in torsion spring is hinged in the stretching plate, a filter plate for screening coal mines is arranged in the rotating plate, a clamping groove with a rightward opening is arranged at the right end of the rotating plate, a pushing cavity with a leftward opening is arranged in the moving block, a pushing block is connected in the pushing cavity in a sliding manner, a pushing spring and a connecting rope are fixedly connected at the right end of the pushing block, the connecting rope penetrates through the right inner wall of the pushing cavity and the right inner wall of the limiting cavity to be fixedly connected with the, the crushing mechanism for crushing coal mines is further arranged in the box body, and the transmission mechanism for transmission is arranged in the box body.
Further, the transmission mechanism comprises a transmission cavity positioned in the box body, the right inner wall of the transmission cavity is fixedly connected with a transmission motor, the transmission motor is in power connection with a driving shaft, the driving shaft is fixedly connected with two driving belt wheels, the right inner wall of the transmission cavity is rotatably connected with two driven shafts, the driven shafts are fixedly connected with driven belt wheels and cams which are in belt transmission with the driving belt wheels, the driven shafts are fixedly connected with wire wheels at the rear part, a reciprocating cavity with a backward opening is arranged in the front inner wall of the transmission cavity, a reciprocating block is in sliding connection in the reciprocating cavity, the front end of the reciprocating block is fixedly connected with a reciprocating spring and a string, the front end of the reciprocating spring is fixedly connected with the front inner wall of the reciprocating cavity, the string penetrates through the front inner wall of the reciprocating cavity and the lower inner wall of the extension cavity and is fixedly connected with the extension block, and an annular groove, the circular groove is connected with a ball in a sliding way.
Furthermore, the screening mechanism comprises the moving block, a pull rope and a moving spring are fixedly connected to the front end of the moving block, the front end of the moving spring is fixedly connected with the front inner wall of the moving cavity, the pull rope penetrates through the front inner wall of the moving cavity and the rear inner wall of the transmission cavity and is fixedly connected with the ball, a positioning cavity communicated with the transmission cavity is formed in the front inner wall and the rear inner wall of the transmission cavity, a positioning plate is slidably connected into the positioning cavity, one end of the positioning plate, far away from the transmission motor, is fixedly connected with a positioning spring and a long wire, the other end of the positioning spring is fixedly connected with the inner wall of the positioning cavity, far away from the transmission motor, and a groove.
Further, the crushing mechanism comprises a conveying cavity which is positioned in the lower inner wall of the filter cavity and is communicated with the filter cavity and the outside, a conveying belt for conveying and filtering coal ash is fixedly connected in the conveying cavity, a fixed plate is hinged in the conveying cavity, a crushing cavity communicated with the conveying cavity is arranged in the upper inner wall of the conveying cavity, an electric shaft is rotatably connected in the inner wall of the crushing cavity, a blade is fixedly connected on the electric shaft, a filter block for screening is fixedly connected in the crushing cavity, a sliding cavity with a leftward opening is arranged in the right inner wall of the crushing cavity, a sliding plate is slidably connected in the sliding cavity, a sliding spring is fixedly connected at the right end of the sliding plate, the right end of the sliding spring is fixedly connected with the right inner wall of the sliding cavity, a pneumatic pipe communicated with the extending cavity is fixedly connected on the right inner wall of the sliding cavity, and, the air pump with the conveying chamber is through purifying the chamber intercommunication, purify intracavity fixedly connected with filter screen, fixedly connected with intercommunication the place ahead on the air pump the connecting pipe in location chamber, be equipped with the intercommunication in the box the compression chamber of connecting pipe, compression intracavity sliding connection has the compression piece, compression piece right-hand member fixedly connected with compression spring and fine rule, the compression spring right-hand member with compression chamber right side inner wall fixed connection, the fine rule pierces through compression chamber right side inner wall and transmission chamber back inner wall with line wheel fixed connection.
Furthermore, the elasticity of the front positioning spring is greater than that of the rear positioning spring, the elasticity of the limit spring is greater than that of the push spring, the elasticity of the reciprocating spring is greater than that of the extension spring, and the elasticity of the extension spring is greater than that of the sliding spring.
The invention has the beneficial effects that: the device simple structure, convenient to use can filter the colliery automatically, can further the breakage to the colliery that is not conform to the standard, and the colliery after processing accords with the standard to the device can filter the coal ash in the colliery, and the device disposes perfect dust collector, disposes closed conveyer, realizes few dust operation, purifies operational environment, ensures workman's health.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure at C in FIG. 1 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-4, the coal mine crushing and screening device with intermittent feeding includes a box 11, a moving cavity 47 with an upward opening is provided in the box 11, a filter cavity 24 communicated with the moving cavity 47 is provided in a lower inner wall of the moving cavity 47, a door panel 31 is hinged on an inner wall of the moving cavity 47, a feeding mechanism 73 with an intermittent feeding is provided in the box 11, the feeding mechanism 73 includes a moving block 28 slidably connected in the moving cavity 47, a stretching cavity 29 with a downward opening is provided in the moving block 28, a stretching plate 27 is slidably connected in the stretching cavity 29, an extension spring 30 is fixedly connected to an upper end of the stretching plate 27, an upper end of the extension spring 30 is fixedly connected to an upper inner wall of the stretching cavity 29, an extending cavity 16 with an upward opening is provided in the box 11, an extending block 20 is slidably connected in the extending cavity 16, and an extending spring 17 is fixedly connected to a lower end of the extending block 20, the lower end of the extension spring 17 is fixedly connected with the lower inner wall of the extension cavity 16, a limit cavity 19 with a leftward opening is arranged in the right inner wall of the extension cavity 16, a limit block 23 is connected in the limit cavity 19 in a sliding manner, a limit spring 21 is fixedly connected at the right end of the limit block 23, the right end of the limit spring 21 is fixedly connected with the right inner wall of the limit cavity 19, a rotary plate 26 with a built-in torsion spring is hinged in the stretching plate 27, a filter plate 25 for screening coal mines is arranged in the rotary plate 26, a clamping groove 68 with a rightward opening is arranged at the right end of the rotary plate 26, a push cavity 70 with a leftward opening is arranged in the moving block 28, a push block 69 is connected in the push cavity 70 in a sliding manner, a push spring 71 and a connecting rope 22 are fixedly connected at the right end of the push block 69, and the, it is pushing spring 71 right-hand member with promote chamber 70 right side inner wall fixed connection, be equipped with the screening mechanism 74 that is used for screening the colliery in the box 11, still be equipped with the crushing mechanism 75 that is used for broken colliery in the box 11, be equipped with in the box 11 and be used for driven drive mechanism 72.
Beneficially, the transmission mechanism 72 includes a transmission cavity 33 located in the box 11, a transmission motor 51 is fixedly connected to the right inner wall of the transmission cavity 33, the transmission motor 51 is in power connection with a driving shaft 52, two driving pulleys 63 are fixedly connected to the driving shaft 52, two driven shafts 53 are rotatably connected to the right inner wall of the transmission cavity 33, a driven pulley 62 and a cam 66 which are in belt transmission with the driving pulleys 63 are fixedly connected to the driven shafts 53, a wire wheel 64 is fixedly connected to the driven shafts 53 at the rear, a reciprocating cavity 59 with a backward opening is arranged in the front inner wall of the transmission cavity 33, a reciprocating block 61 is slidably connected to the reciprocating cavity 59, a reciprocating spring 60 and a string 18 are fixedly connected to the front end of the reciprocating block 61, the front end of the reciprocating spring 60 is fixedly connected to the front inner wall of the reciprocating cavity 59, the string 18 penetrates through the front inner wall of the reciprocating cavity 59 and the lower inner wall of the extension cavity 16 and is fixedly connected to the extension block 20, an annular groove 65 is formed in the rear cam 66, and a round ball 67 is connected in the annular groove 65 in a sliding mode.
Beneficially, the screening mechanism 74 includes the moving block 28, a pulling rope 48 and a moving spring 49 are fixedly connected to the front end of the moving block 28, the front end of the moving spring 49 is fixedly connected to the front inner wall of the moving cavity 47, the pulling rope 48 penetrates through the front inner wall of the moving cavity 47 and the rear inner wall of the transmission cavity 33 and is fixedly connected to the ball 67, positioning cavities 55 communicated with the transmission cavity 33 are respectively arranged in the front inner wall and the rear inner wall of the transmission cavity 33, a positioning plate 54 is slidably connected to the positioning cavities 55, one end of the positioning plate 54 far away from the transmission motor 51 is fixedly connected to a positioning spring 57 and a long wire 56, the other end of the positioning spring 57 is fixedly connected to the inner wall of the positioning cavity 55 far away from the transmission motor 51, and the driven shaft 53 is provided.
Beneficially, the crushing mechanism 75 includes a conveying cavity 14 located in the lower inner wall of the filtering cavity 24 and communicating the filtering cavity 24 with the outside, a conveying belt 13 for driving and filtering coal ash is fixedly connected in the conveying cavity 14, a fixing plate 50 is hinged in the conveying cavity 14, a crushing cavity 37 communicating the conveying cavity 14 is arranged in the upper inner wall of the conveying cavity 14, an electric shaft 38 is rotatably connected in the inner wall of the crushing cavity 37, a blade 39 is fixedly connected on the electric shaft 38, a filtering block 40 for screening is fixedly connected in the crushing cavity 37, a sliding cavity 35 with a leftward opening is arranged in the right inner wall of the crushing cavity 37, a sliding plate 34 is slidably connected in the sliding cavity 35, a sliding spring 36 is fixedly connected at the right end of the sliding plate 34, the right end of the sliding spring 36 is fixedly connected with the right inner wall of the sliding cavity 35, a pneumatic tube 15 communicating the extending cavity 16 is fixedly connected to the right inner wall of the sliding, conveying chamber 14 right side inner wall fixedly connected with air pump 41, air pump 41 with conveying chamber 14 is through purifying 77 intercommunication, purify fixedly connected with filter screen 76 in the 77 chamber, fixedly connected with intercommunication the place ahead on the air pump 41 the connecting pipe 42 in location chamber 55, be equipped with the intercommunication in the box 11 the compression chamber 43 of connecting pipe 42, sliding connection has compression piece 46 in the compression chamber 43, compression piece 46 right-hand member fixedly connected with compression spring 44 and fine rule 45, compression spring 44 right-hand member with the right side inner wall fixed connection in compression chamber 43, fine rule 45 pierces through the right side inner wall in compression chamber 43 and transmission chamber 33 back inner wall with line wheel 64 fixed connection.
Advantageously, the elastic force of the front positioning spring 57 is greater than that of the rear positioning spring 57, the elastic force of the limit spring 21 is greater than that of the push spring 71, the elastic force of the reciprocating spring 60 is greater than that of the extension spring 17, and the elastic force of the extension spring 17 is greater than that of the slide spring 36.
In the initial state, the positioning spring 57, the extension spring 17, and the stopper spring 21 are in a compressed state.
The using method comprises the following steps: when the coal mine is required to be screened and crushed, firstly, the coal mine to be treated is placed into the moving block 28, at the moment, the transmission motor 51 starts to work, so as to drive the driving shaft 52 to rotate, so as to drive the driving belt pulley 63 to rotate, so as to drive the rear driven belt pulley 62 to rotate, so as to drive the rear cam 66 and the wire wheel 64 to rotate, so as to intermittently tension the pull rope 48, when the pull rope 48 is tensioned, the moving block 28 is driven to move forwards, at the moment, the moving spring 49 is compressed, when the pull rope 48 is reset, the moving block 28 moves backwards to reset under the action of the moving spring 49, so as to screen the coal mine in the moving block 28, the coal mine meeting the standard is conveyed into the conveying cavity 14 through the filter cavity 24, at the moment, the air pump 41 starts to work, so as to purify and filter the air in the conveying cavity 14, when the fine wire, at the moment, the compression spring 44 is compressed, at the moment, the air pump 41 is communicated with the front positioning cavity 55, at the moment, the air pump 41 pumps air in the front positioning cavity 55, at the moment, the front positioning plate 54 moves forwards, at the moment, the long wire 56 is loosened, the rear positioning plate 54 moves forwards under the action of the rear positioning spring 57, the rear positioning plate 54 enters the rear groove 58, at the moment, the driving pulley 63 drives the front driven pulley 62 to rotate, so as to drive the front driven shaft 53 to rotate, so as to drive the front cam 66 to rotate, so as to intermittently push the reciprocating block 61 to move forwards, so as to intermittently loosen the thin rope 18, at the moment, when the thin rope 18 is loosened, the extension block 20 moves upwards under the action of the extension spring 17, at the moment, the limiting block 23 moves leftwards under the action of the limiting spring 21, so as to strain the connecting rope 22, so as to drive the pushing block 69 to move rightwards, therefore, the crushing cavity 37 is opened, the extension block 20 moves upwards to push the stretching plate 27 to move upwards, so that the rotating plate 26 is driven to move upwards, the rotating plate 26 is inclined under the action of a coal mine at the moment, the coal mine enters the crushing cavity 37, the intermittent material conveying operation in the crushing cavity 37 is realized, and the crushing cavity 37 is ensured not to be halted;
after the coal mine enters the crushing cavity 37, the electric shaft 38 drives the blade 39 to the left, so that the coal mine is crushed, after the coal mine is crushed to a certain size, the coal mine meeting the standard enters the conveying cavity 14 through the filter block 40, the conveying belt 13 further screens the coal mine entering the conveying cavity 14, coal ash is filtered into the waste material container 12, the conveying belt 13 conveys the coal mine, after the coal mine in the moving block 28 is processed, the rotating plate 26 resets under the action of the torsion spring, the transmission motor 51 reverses, and all the parts are driven to reset.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides a broken screening installation in colliery of defeated material of intermittent type, includes the box, its characterized in that: a moving cavity with an upward opening is arranged in the box body, a filter cavity communicated with the moving cavity is arranged in the lower inner wall of the moving cavity, a door plate is hinged on the inner wall of the moving cavity, a material conveying mechanism for intermittent material conveying is arranged in the box body, the material conveying mechanism comprises a moving block connected in a sliding manner in the moving block, a stretching cavity with a downward opening is arranged in the moving block, a stretching plate is connected in the stretching cavity in a sliding manner, a stretching spring is fixedly connected at the upper end of the stretching plate, the upper end of the stretching spring is fixedly connected with the upper inner wall of the stretching cavity, an extending cavity with an upward opening is arranged in the box body, an extending block is connected in the extending cavity in a sliding manner, an extending spring is fixedly connected at the lower end of the extending block, the lower end of the extending spring is fixedly connected with the lower inner wall of, the right end of the limiting block is fixedly connected with a limiting spring, the right end of the limiting spring is fixedly connected with the right inner wall of the limiting cavity, a rotating plate with a built-in torsion spring is hinged in the stretching plate, a filter plate for screening coal mines is arranged in the rotating plate, a clamping groove with a right opening is arranged at the right end of the rotating plate, a pushing cavity with a left opening is arranged in the moving block, a pushing block is connected in the pushing cavity in a sliding manner, a pushing spring and a connecting rope are fixedly connected at the right end of the pushing block, the connecting rope penetrates through the right inner wall of the pushing cavity and the right inner wall of the limiting cavity to be fixedly connected with the limiting block, the right end of the pushing spring is fixedly connected with the right inner wall of the pushing cavity, a screening mechanism for screening coal mines is arranged in the box body, a crushing mechanism for crushing the coal mines is also arranged in the box body, and a transmission mechanism for transmission is arranged in the box body; the transmission mechanism comprises a transmission cavity positioned in the box body, the right inner wall of the transmission cavity is fixedly connected with a transmission motor, the transmission motor is in power connection with a driving shaft, the driving shaft is fixedly connected with two driving belt wheels, the right inner wall of the transmission cavity is rotatably connected with two driven shafts, the driven shafts are fixedly connected with driven belt wheels and cams which are driven by the driving belt wheels through belts, and the driven shafts are in the rear direction and are fixedly connected with wire wheels, the front inner wall of the transmission cavity is internally provided with a reciprocating cavity with a backward opening, the reciprocating cavity is internally and slidably connected with a reciprocating block, the front end of the reciprocating block is fixedly connected with a reciprocating spring and a thin rope, the front end of the reciprocating spring is fixedly connected with the front inner wall of the reciprocating cavity, the thin rope penetrates through the front inner wall of the reciprocating cavity and the lower inner wall of the extension cavity and is fixedly connected, the circular groove is internally and slidably connected with a ball; the screening mechanism comprises the moving block, a pull rope and a moving spring are fixedly connected to the front end of the moving block, the front end of the moving spring is fixedly connected with the front inner wall of the moving cavity, the pull rope penetrates through the front inner wall of the moving cavity and the rear inner wall of the transmission cavity to be fixedly connected with the round ball, positioning cavities communicated with the transmission cavity are arranged in the front inner wall and the rear inner wall of the transmission cavity, a positioning plate is connected in the positioning cavities in a sliding mode, one end, away from the transmission motor, of the positioning plate is fixedly connected with a positioning spring and a long wire, the other end of the positioning spring is fixedly connected with the inner wall, away from the transmission motor, of the positioning cavity; the crushing mechanism comprises a conveying cavity which is positioned in the lower inner wall of the filter cavity and is communicated with the filter cavity and the outside, a conveying belt for driving and filtering coal ash is fixedly connected in the conveying cavity, a fixed plate is hinged in the conveying cavity, a crushing cavity communicated with the conveying cavity is arranged in the upper inner wall of the conveying cavity, an electric shaft is rotationally connected in the inner wall of the crushing cavity, a blade is fixedly connected on the electric shaft, a filter block for screening is fixedly connected in the crushing cavity, a sliding cavity with a leftward opening is arranged in the right inner wall of the crushing cavity, a sliding plate is slidably connected in the sliding cavity, a sliding spring is fixedly connected at the right end of the sliding plate, the right end of the sliding spring is fixedly connected with the right inner wall of the sliding cavity, a pneumatic pipe communicated with the extending cavity is fixedly connected on the right inner wall of the sliding cavity, the air pump is communicated with the conveying cavity through a purification cavity, a filter screen is fixedly connected in the purification cavity, a connecting pipe communicated with the front positioning cavity is fixedly connected to the air pump, a compression cavity communicated with the connecting pipe is arranged in the box body, a compression block is slidably connected in the compression cavity, a compression spring and a fine wire are fixedly connected to the right end of the compression block, the right end of the compression spring is fixedly connected with the right inner wall of the compression cavity, and the fine wire penetrates through the right inner wall of the compression cavity and the rear inner wall of the transmission cavity and is fixedly connected with the wire wheel; the elastic force of the front positioning spring is greater than that of the rear positioning spring, the elastic force of the limiting spring is greater than that of the pushing spring, the elastic force of the reciprocating spring is greater than that of the extension spring, and the elastic force of the extension spring is greater than that of the sliding spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973145.5A CN112090525B (en) | 2020-09-16 | 2020-09-16 | Broken screening installation in colliery of defeated material of intermittent type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973145.5A CN112090525B (en) | 2020-09-16 | 2020-09-16 | Broken screening installation in colliery of defeated material of intermittent type |
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| Publication Number | Publication Date |
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| CN112090525A CN112090525A (en) | 2020-12-18 |
| CN112090525B true CN112090525B (en) | 2021-07-09 |
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| CN202010973145.5A Active CN112090525B (en) | 2020-09-16 | 2020-09-16 | Broken screening installation in colliery of defeated material of intermittent type |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20106954U1 (en) * | 2001-04-23 | 2001-10-25 | Meiko Maschb Gmbh & Co | Waste disposal system for wet waste, in particular for waste from commercial kitchens |
| JP2004188835A (en) * | 2002-12-12 | 2004-07-08 | Chuo Kakoki Kk | Woody material grinder |
| CN211463375U (en) * | 2019-10-22 | 2020-09-11 | 张海明 | Building grouting material waste treatment device |
| CN111111825A (en) * | 2019-12-25 | 2020-05-08 | 广州皓加医疗器材有限公司 | Chinese herbal medicine powder filters grinding preparation facilities |
| CN111330669B (en) * | 2020-03-31 | 2021-01-05 | 陕西彬长孟村矿业有限公司 | Novel coal of environmental protection is broken device |
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